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02022鐵蟲 (小有名氣)
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[求助]
如何證實(shí)氫氣TPR中的Cu (II)經(jīng)中間Cu (I)兩步還原為Cu(0)? 已有1人參與
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審稿人讓證明氫氣TPR中的Cu (II)經(jīng)中間Cu (I)兩步還原為Cu(0),這該如何證明,需要做什么表征,或者通過引用文獻(xiàn)證明嗎? The H2-TPR profile of Cu-Co/NC catalyst displayed two low temperature peaks at 170 °C and 195 °C, author deemed it could be attributed to the two-step reduction of Cu (II) to Cu (0) via the intermediate Cu (I). I think this should be verified. |
專家顧問 (文壇精英)
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專家經(jīng)驗(yàn): +3748 |
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兩種銅物種的、或者處于不同位置的銅的可能性更大?梢詤⒖迹 Journal of Catalysis, Volume 296, December 2012, Pages 1-11 Applied Catalysis A: General, Volume 403, Issues 1–2, 22 August 2011, Pages 173-182 載體和銅的作用強(qiáng)弱,也會(huì)引起還原溫度的變化。 Bioresource Technology, Volume 101, Issue 18, September 2010, Pages 7088-7092 做過很多銅基催化劑的還原,還真沒有遇到過分步還原的情況。 Hydrogenolysis of glycerol to 1,2-propanediol over Cu-based catalysts: A short review Catalysis Today, In press, corrected proof, Available online 13 March 2019 |
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